.small{
  background: url(../../assets/bj.jpg) no-repeat 100% 100%;
  padding: 172px 520px;
  .form{
      width: 400px;
      height: 320px;
      background-color:white;
      padding: 40px;
      .aa{
        color: blue;
        font-size: 18px;
        display: block;
        margin-bottom: 30px;
      }
  }
  .small-header{
    font-size: 20px;
    color: white;
    text-align: center;
    margin-bottom: 5px;
  }
  Input{
      height: 40px;
  }
  Button{
      width: 100%;
      height: 40px;
  }
  .dddl{
    margin-bottom: 20px;
  }
}
